641200131

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 1135034208

約数和(自身を除く): 493834077

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 197, 281, 297, 351, 429, 591, 843, 891, 1053, 1287, 1773, 2167, 2529, 2561, 3091, 3653, 3861, 5319, 6501, 7587, 7683, 9273, 10959, 11583, 15957, 19503, 22761, 23049, 27819, 28171, 32877, 40183, 55357, 58509, 69147, 83457, 84513, 98631, 120549, 166071, 175527, 207441, 250371, 253539, 295893, 361647, 498213, 608927, 719641, 760617, 1084941, 1494639, 1826781, 2158923, 2281851, 3254823, 4483917, 5480343, 6476769, 7916051, 16441029, 19430307, 23748153, 49323087, 58290921, 71244459, 213733377, 641200131]

約数ペア:

[(1, 641200131), (3, 213733377), (9, 71244459), (11, 58290921), (13, 49323087), (27, 23748153), (33, 19430307), (39, 16441029), (81, 7916051), (99, 6476769), (117, 5480343), (143, 4483917), (197, 3254823), (281, 2281851), (297, 2158923), (351, 1826781), (429, 1494639), (591, 1084941), (843, 760617), (891, 719641), (1053, 608927), (1287, 498213), (1773, 361647), (2167, 295893), (2529, 253539), (2561, 250371), (3091, 207441), (3653, 175527), (3861, 166071), (5319, 120549), (6501, 98631), (7587, 84513), (7683, 83457), (9273, 69147), (10959, 58509), (11583, 55357), (15957, 40183), (19503, 32877), (22761, 28171), (23049, 27819)]